AU2002239060B1 - Electronic watthour meter and power-associated quantity calculating circuit - Google Patents

Electronic watthour meter and power-associated quantity calculating circuit Download PDF

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Publication number
AU2002239060B1
AU2002239060B1 AU2002239060A AU2002239060A AU2002239060B1 AU 2002239060 B1 AU2002239060 B1 AU 2002239060B1 AU 2002239060 A AU2002239060 A AU 2002239060A AU 2002239060 A AU2002239060 A AU 2002239060A AU 2002239060 B1 AU2002239060 B1 AU 2002239060B1
Authority
AU
Australia
Prior art keywords
voltage
power
sampling frequency
frequency
electric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU2002239060A
Other languages
English (en)
Inventor
Keishu Kondo
Atsufumi Kuroda
Takashi Shindoi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of AU2002239060B1 publication Critical patent/AU2002239060B1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Rectifiers (AREA)
  • Inverter Devices (AREA)
AU2002239060A 2002-03-25 2002-03-25 Electronic watthour meter and power-associated quantity calculating circuit Ceased AU2002239060B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/002850 WO2003081264A1 (fr) 2002-03-25 2002-03-25 Watt-heuremetre electronique et circuit de calcul d'une quantite de courant

Publications (1)

Publication Number Publication Date
AU2002239060B1 true AU2002239060B1 (en) 2003-10-08

Family

ID=28080691

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002239060A Ceased AU2002239060B1 (en) 2002-03-25 2002-03-25 Electronic watthour meter and power-associated quantity calculating circuit

Country Status (4)

Country Link
JP (1) JP4127676B2 (fr)
CN (1) CN1292259C (fr)
AU (1) AU2002239060B1 (fr)
WO (1) WO2003081264A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100454025C (zh) * 2006-06-08 2009-01-21 上海交通大学 电能表以及功率监视系统
JP4275696B2 (ja) * 2006-11-09 2009-06-10 三菱電機株式会社 サンプリング周波数制御方式および保護継電器
CN102331535B (zh) * 2011-06-09 2014-06-04 郝玉山 交流电物理量测量和数据采集装置和方法
EP2827154B1 (fr) * 2012-03-13 2017-11-15 Informetis Corporation Capteur, processeur de signaux du capteur, et codeur de signaux de ligne de transport d'énergie
CN104502675B (zh) * 2014-12-29 2017-05-24 广东电网有限责任公司电力科学研究院 电力信号的基波幅值测量方法和系统
CN105071792B (zh) 2015-07-17 2018-03-30 英特尔公司 脉冲密度调制值转换器及其应用
WO2018072195A1 (fr) * 2016-10-21 2018-04-26 华为技术有限公司 Procédé et dispositif d'échantillonnage et de compensation de signal de détection de pression artérielle et système d'acquisition de signal de pression artérielle
CN108919168B (zh) * 2018-05-11 2020-10-09 国网四川省电力公司电力科学研究院 基于数字补偿技术改善高压功率源失真度的方法
CN109116101B (zh) * 2018-08-08 2020-10-27 贵州电网有限责任公司 一种无功计量方法
CN109709390B (zh) * 2018-12-19 2021-10-01 深圳市中电电力技术股份有限公司 一种三相高精度谐波电能表
CN111679236B (zh) * 2020-05-11 2022-07-01 国网江苏省电力有限公司营销服务中心 一种直流暂态阶跃响应延时测试方法、系统及装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06273461A (ja) * 1993-03-23 1994-09-30 Yokogawa Electric Corp 電力測定装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3080207B2 (ja) * 1993-01-06 2000-08-21 三菱電機株式会社 電子式電力量計
JPH0743399A (ja) * 1993-07-30 1995-02-14 Hioki Ee Corp パワーアナライザ装置における測定データ表示方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06273461A (ja) * 1993-03-23 1994-09-30 Yokogawa Electric Corp 電力測定装置

Also Published As

Publication number Publication date
CN1292259C (zh) 2006-12-27
JPWO2003081264A1 (ja) 2005-07-28
JP4127676B2 (ja) 2008-07-30
WO2003081264A1 (fr) 2003-10-02
CN1493002A (zh) 2004-04-28

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